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m_a_m_a [10]
3 years ago
14

John has six bills of paper money in the following denominations $1, $5, $10, $20, $50, and $100. If he selects 3 bills at a tim

e what is the probability of selecting a group that has an average value of at least $26?
Mathematics
1 answer:
densk [106]3 years ago
4 0
<span>the probability will be 0.55</span>
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Select 2 ratios that are equivalent to 7:10
nordsb [41]

Answer:

14:20 and 21:30 or 28:40

5 0
3 years ago
identify an equation in point-slope form for the line parallel to y=-2/3x+8 that passes through (4,-5)
MariettaO [177]

Answer:

y +5 = (-2/3)(x -4)

Step-by-step explanation:

The point-slope form of an equation of a line with slope m through point (h, k) is ...

... y -k = m(x -h)

You have (h, k) = (4, -5) and a slope the same as that of the parallel line, m = -2/3. Then the equation is ...

... y -(-5) = (-2/3)(x -4)

... y +5 = (-2/3)(x -4)

7 0
3 years ago
Determine the standard form of the equation of the line that passes through (0,5) and (4,0)
Alona [7]
(0,5)(4,0)
slope = (0 - 5) / (4 - 0) = -5/4

y = mx + b
slope(m) = -5/4
use either of ur sets of points....(0,5)...x = 0 and y = 5
now we sub and find b, the y int
5 = -5/4(0) + b
5 = b
so ur equation is : y = -5/4x + 5...but we need it in standard form...

y = -5/4x + 5
5/4x + y = 5....multiply everything by common denominator of 4
5x + 4y = 20 <== standard form of Ax + By = C
3 0
3 years ago
HELP PLEASE! The distances from a ship to two lighthouses on the shore are 4 miles and 7 miles respectively. If the angle betwee
IrinaK [193]

Answer:

5.25 miles

Step-by-step explanation:

We are required to determine the distance between Lighthouse A and Lighthouse B in the diagram.

Using Law of Cosines

c^2=a^2+b^2-2abCosC\\c^2=7^2+4^2-2(7)(4)Cos48^\circ\\c^2=27.5287\\c=\sqrt{27.5287} \\c=5.25\: miles

The distance between lighthouses is 5.25 miles.

6 0
3 years ago
When Zack checked his solution, it didn’t work. What was his mistake?
KatRina [158]

Answer:

he whent up and not down and left and not right

Step-by-step explanation:we just is messed up in life

4 0
3 years ago
Read 2 more answers
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